{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:GTVDAVSXAVO76MPX6CUZIFLASU","short_pith_number":"pith:GTVDAVSX","canonical_record":{"source":{"id":"0812.4005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T22:28:05Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"41bae2056b802ef80e4f51d752b357bc4b6051d3384ec04fa148590d5de29086","abstract_canon_sha256":"100a47b6304b96de73c938f335df6e62c3aa2d74a4bd5d859e6c7f74a7f53628"},"schema_version":"1.0"},"canonical_sha256":"34ea305657055dff31f7f0a9941560953d303f8c3796fe752ff1e6b4bdac698c","source":{"kind":"arxiv","id":"0812.4005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.4005","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.4005v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4005","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"GTVDAVSXAVO7","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"GTVDAVSXAVO76MPX","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"GTVDAVSX","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:GTVDAVSXAVO76MPX6CUZIFLASU","target":"record","payload":{"canonical_record":{"source":{"id":"0812.4005","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T22:28:05Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"41bae2056b802ef80e4f51d752b357bc4b6051d3384ec04fa148590d5de29086","abstract_canon_sha256":"100a47b6304b96de73c938f335df6e62c3aa2d74a4bd5d859e6c7f74a7f53628"},"schema_version":"1.0"},"canonical_sha256":"34ea305657055dff31f7f0a9941560953d303f8c3796fe752ff1e6b4bdac698c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:04.141611Z","signature_b64":"bf4R5ZGUbQtA5+2oHZ/8xB6+S8kVqW7mzD7X0whAM+/yBhau1t3netbSdgbmI+IH72UZuunEJRRa4d9spzk3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34ea305657055dff31f7f0a9941560953d303f8c3796fe752ff1e6b4bdac698c","last_reissued_at":"2026-05-18T02:15:04.140955Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:04.140955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0812.4005","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y0W+2BzAb8DvaDjTYKWF8uwuaAh4umAHfbmcM7UykwWpSJTljw56D/uoZJ92EFEBNjYTEDDEJNL67irCUnFTBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:43:55.931769Z"},"content_sha256":"5ef86e933b09fcd6093bc1110ca28eab952d12a1288e6a08ba29f674e2c92b46","schema_version":"1.0","event_id":"sha256:5ef86e933b09fcd6093bc1110ca28eab952d12a1288e6a08ba29f674e2c92b46"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:GTVDAVSXAVO76MPX6CUZIFLASU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Review of Observational Evidence for Dark Matter in the Universe and in upcoming searches for Dark Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Katherine Freese","submitted_at":"2008-12-20T22:28:05Z","abstract_excerpt":"Over the past decade, a consensus picture has emerged in which roughly a quarter of the universe consists of dark matter. The observational evidence for the existence of dark matter is reviewed: rotation curves of galaxies, weak lensing measurements, hot gas in clusters, primordial nucleosynthesis and microwave background experiments. In addition, a new line of research on Dark Stars is presented, which suggests that the first stars to exist in the universe were powered by dark matter heating rather than by fusion: the observational possibilities of discovering dark matter in this way are disc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4005","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+BF64qofWkfpKb3+Ot/LLCrF2g/pZuh0BTQLF3T7cUp9GKybM7M7GRVY7+fuL5KPHCRVhtgm8bnFAsk9C/nhBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T18:43:55.932110Z"},"content_sha256":"3f68bb9fc324b2f3f83afc52a8fc69d6cedf2ee118431d37d747e5b76f7f3cb5","schema_version":"1.0","event_id":"sha256:3f68bb9fc324b2f3f83afc52a8fc69d6cedf2ee118431d37d747e5b76f7f3cb5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GTVDAVSXAVO76MPX6CUZIFLASU/bundle.json","state_url":"https://pith.science/pith/GTVDAVSXAVO76MPX6CUZIFLASU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GTVDAVSXAVO76MPX6CUZIFLASU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-19T18:43:55Z","links":{"resolver":"https://pith.science/pith/GTVDAVSXAVO76MPX6CUZIFLASU","bundle":"https://pith.science/pith/GTVDAVSXAVO76MPX6CUZIFLASU/bundle.json","state":"https://pith.science/pith/GTVDAVSXAVO76MPX6CUZIFLASU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GTVDAVSXAVO76MPX6CUZIFLASU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:GTVDAVSXAVO76MPX6CUZIFLASU","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"100a47b6304b96de73c938f335df6e62c3aa2d74a4bd5d859e6c7f74a7f53628","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T22:28:05Z","title_canon_sha256":"41bae2056b802ef80e4f51d752b357bc4b6051d3384ec04fa148590d5de29086"},"schema_version":"1.0","source":{"id":"0812.4005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0812.4005","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"arxiv_version","alias_value":"0812.4005v1","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0812.4005","created_at":"2026-05-18T02:15:04Z"},{"alias_kind":"pith_short_12","alias_value":"GTVDAVSXAVO7","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"GTVDAVSXAVO76MPX","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"GTVDAVSX","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:3f68bb9fc324b2f3f83afc52a8fc69d6cedf2ee118431d37d747e5b76f7f3cb5","target":"graph","created_at":"2026-05-18T02:15:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Over the past decade, a consensus picture has emerged in which roughly a quarter of the universe consists of dark matter. The observational evidence for the existence of dark matter is reviewed: rotation curves of galaxies, weak lensing measurements, hot gas in clusters, primordial nucleosynthesis and microwave background experiments. In addition, a new line of research on Dark Stars is presented, which suggests that the first stars to exist in the universe were powered by dark matter heating rather than by fusion: the observational possibilities of discovering dark matter in this way are disc","authors_text":"Katherine Freese","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T22:28:05Z","title":"Review of Observational Evidence for Dark Matter in the Universe and in upcoming searches for Dark Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0812.4005","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:5ef86e933b09fcd6093bc1110ca28eab952d12a1288e6a08ba29f674e2c92b46","target":"record","created_at":"2026-05-18T02:15:04Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"100a47b6304b96de73c938f335df6e62c3aa2d74a4bd5d859e6c7f74a7f53628","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-12-20T22:28:05Z","title_canon_sha256":"41bae2056b802ef80e4f51d752b357bc4b6051d3384ec04fa148590d5de29086"},"schema_version":"1.0","source":{"id":"0812.4005","kind":"arxiv","version":1}},"canonical_sha256":"34ea305657055dff31f7f0a9941560953d303f8c3796fe752ff1e6b4bdac698c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34ea305657055dff31f7f0a9941560953d303f8c3796fe752ff1e6b4bdac698c","first_computed_at":"2026-05-18T02:15:04.140955Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:04.140955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bf4R5ZGUbQtA5+2oHZ/8xB6+S8kVqW7mzD7X0whAM+/yBhau1t3netbSdgbmI+IH72UZuunEJRRa4d9spzk3BA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:04.141611Z","signed_message":"canonical_sha256_bytes"},"source_id":"0812.4005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ef86e933b09fcd6093bc1110ca28eab952d12a1288e6a08ba29f674e2c92b46","sha256:3f68bb9fc324b2f3f83afc52a8fc69d6cedf2ee118431d37d747e5b76f7f3cb5"],"state_sha256":"764b19295f033a121c05fe48264f1b21c855786c2ae4b8507e287e540de73db5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kY6mVwDne8h+zIXtRHOiXm6ROFPQB+eXArYbcgdqEU9oabyP1iPtLZvuGFGulS4Ya/V7Y/ZFFh4N9uyXjhk3DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T18:43:55.934077Z","bundle_sha256":"042dc7c991f6a11508571c626f4b8e0a6643e01b1d50e5b2352ad613fad296b9"}}